表格的列固定 + leftmenu, 主要测试leftmenu向左展开/收起时, 表格列固定是否正常

{{column.title}}
{{row.firstName}}	{{row.lastName}}	{{row.age}}	{{row.balance}}	{{row.email}}	{{row.address}}	{{row.phone}}	{{row.parents}}	{{row.school}}